Portable printer



FIG. 1 is a perspective view of a portable printer showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a side view thereof. 

CLAIM We claim the ornamental design for a portable printer, as shown and described. 